<script setup>
import { Edit, Delete } from "@element-plus/icons-vue";
import { ref } from "vue";
const categorys = ref([]);

// 获取所有分类
import { articleCategoryListService } from "@/api/article.js";
const getAllCategory = () => {
  articleCategoryListService().then(res => {
    categorys.value = res.data;
  });
};
getAllCategory();

//控制添加分类弹窗
const dialogVisible = ref(false);

//添加分类数据模型
const categoryModel = ref({
  categoryName: "",
  categoryAlias: ""
});
//添加分类表单校验
const rules = {
  categoryName: [
    { required: true, message: "请输入分类名称", trigger: "blur" }
  ],
  categoryAlias: [
    { required: true, message: "请输入分类别名", trigger: "blur" }
  ]
};
import { articleCategoryAddService } from "@/api/article.js";
import { ElMessage } from "element-plus";
const addCategory = async () => {
  
  
  const res = await articleCategoryAddService(categoryModel.value);
  ElMessage.success(res.message ? res.message : "添加成功");
  //隐藏弹窗
  dialogVisible.value = false;
  //再次访问后台接口，查询所有分类
  getAllCategory();
};

//弹窗标题
const title = ref("");

//修改分类回显
const updateCategoryEcho = row => {
  title.value = "修改分类";
  dialogVisible.value = true;
  //将row中的数据赋值给categoryModel
  categoryModel.value.categoryName = row.categoryName;
  categoryModel.value.categoryAlias = row.categoryAlias;
  //修改的时候必须传递分类的id，所以扩展一个id属性
  categoryModel.value.id = row.id;
};
//修改分类
import { articleCategoryUpdateService } from "@/api/article.js";
const updateCategory = async () => {
  let result = await articleCategoryUpdateService(categoryModel.value);
  ElMessage.success(result.message ? result.message : "修改成功");
  //隐藏弹窗
  dialogVisible.value = false;
  //再次访问后台接口，查询所有分类
  getAllCategory();
};

import { ElMessageBox } from "element-plus";
import { articleCategoryDeleteService } from "@/api/article.js";
//删除分类
const deleteCategory = row => {
  ElMessageBox.confirm("你确认删除该分类信息吗？", "温馨提示", {
    confirmButtonText: "确认",
    cancelButtonText: "取消",
    type: "warning"
  })
    .then(async () => {
      //用户点击了确认
      let result = await articleCategoryDeleteService(row.id);
      ElMessage.success(result.message ? result.message : "删除成功");
      //再次调用getAllCategory，获取所有文章分类
      getAllCategory();
    })
    .catch(() => {
      //用户点击了取消
      ElMessage({
        type: "info",
        message: "取消删除"
      });
    });
};
</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章分类</span>
        <div class="extra">
          <el-button type="primary" @click="title='添加分类';categoryModel.categoryName = '';categoryModel.categoryAlias = '';dialogVisible = true">添加分类</el-button>
        </div>
      </div>
    </template>
    <el-table :data="categorys" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"></el-table-column>
      <el-table-column label="分类名称" prop="categoryName"></el-table-column>
      <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click="updateCategoryEcho(row)"></el-button>
          <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title="title" width="30%">
      <el-form
        :model="categoryModel"
        :rules="rules"
        label-width="100px"
        style="padding-right: 30px"
      >
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="categoryAlias">
          <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="title=='添加分类'?addCategory():updateCategory()">确认</el-button>
        </span>
      </template>
    </el-dialog>
  </el-card>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
</style>